Debian Security Advisory

DSA-3115-1 pyyaml -- security update

Date Reported:
29 Dec 2014
Affected Packages:
pyyaml
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 772815.
In Mitre's CVE dictionary: CVE-2014-9130.
More information:

Jonathan Gray and Stanislaw Pitucha found an assertion failure in the way wrapped strings are parsed in Python-YAML, a YAML parser and emitter for Python. An attacker able to load specially crafted YAML input into an application using python-yaml could cause the application to crash.

For the stable distribution (wheezy), this problem has been fixed in version 3.10-4+deb7u1.

For the upcoming stable distribution (jessie), this problem has been fixed in version 3.11-2.

For the unstable distribution (sid), this problem has been fixed in version 3.11-2.

We recommend that you upgrade your pyyaml packages.